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Review of methods of sediment detection in reservoirs

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As reservoir sedimentation is rapidly progressing on a global scale,intensified and better adapted monitoring of sediment accumulation is needed to design optimal counter measures.In the current study,different methods on how to assess the siltation status of different reservoir types are represented by including the availability of previous data.Four different techniques are described by means of detailed case studies,including topographic differencing as the most widely used method.Examples of sub-bottom profiling,dynamic free-fall penetrometer measurements,and long sediment coring also are presented.The methods are explained through the application of each technique under varying condi-tions.The aim of the current study was to assess the advantages and disadvantages of each method and to discuss each methods applicability,depending on the reservoir type,sediment characteristics,and sediment thickness.Based on the case studies and literature an overview table of available techniques for sediment detection was created including a qualitative estimation of the strengths and weaknesses.Additionally,a decision path is presented to choose the most promising technique dependent on the individual situation of a reservoir.With this review,sediment-related decisions are supported for dam operators and authorities as well as dredging companies.

Reservoir managementSedimentationHydro acousticsDetectionSediment coring

Stephan Hilgert、Klajdi Sotiri、Stephan Fuchs

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Department of Aquatic Environmental Engineering,Institute for Water and River Basin Management,Karlsruhe Institute of Technology,Karlsruhe 76131,Germany

limknow GmbH & Co.KG,Karlsruhe 76139,Germany

GermanFederal Ministry of Education and Research(BMBF) in the framework of the research project MuDak-WRMGrant DAMASTGrant iWaGSSgrant KMU-innovativ

02WGR1431A03G0882A02WGR1424A02WQ1575A

2024

10.1016/j.ijsrc.2023.12.004

国际泥沙研究(英文版)
国际泥沙研究培训中心

国际泥沙研究(英文版)

影响因子：0.337
ISSN：1001-6279
年,卷(期)：2024.39(1)